<html>
<style>
    /*.display {*/
    /*    width: 100vw;*/
    /*    height: 100vh;*/
    /*    background-image: url("http://lijiaming0502.oss-cn-beijing.aliyuncs.com/.jpg/20210120/baf525464b724678a8ef8e28387980f6.jpg");*/
    /*}*/
</style>
<body>
<h2>Hello World!</h2>
<div>
<%--    <div class="display">--%>
<%--    </div>--%>
</div>
</body>
</html>
